namespace CSharpPro.Sorting._1030;

public class Dome
{
    public class student
    {
        private string name;
        private int age;
        private string gender;
        private string address;
    }

    public class child
    {
        private string name;
        private int age;
        private string gender;
    }

    public class father
    {
        private string name;
        private int age;
        private string gender;
    }
}